中国科学院数学与系统科学研究院期刊网
AMS
On the Integrability of Strictly Convex Billiard Tables with Boundaries Close to Ellipses with Small Eccentricities
Guan HUANG
Acta Mathematica Sinica . 2022, (1): 55 -67 .  DOI: 10.1007/s10114-022-0153-3